1 SL15-Series Pilot Guide
2345 Turner Road, SE
UPS Aviation Technologies, Inc.
www.upsat.com
Salem, OR 97302
560-0975-03
December 2001
16 SL15-Series Pilot Guide
15 SL15-Series Pilot Guide
No part of this document may be reproduced in any form or by any means
without the express written consent of UPS Aviation Technologies, Inc.
UPS Aviation Technologies, Inc., II Morrow, and Apollo are trademarks of
UPS Aviation Technologies, Inc.
© 2001 by UPS Aviation Technologies, Inc. All rights reserved.
Printed in the U.S.A. UPS Aviation Technologies, Inc.
2345 Turner Road, S.E. Salem, OR 97302
U.S.A. Toll Free 800.525.6726
Canada Toll Free 800.654.3415
International 503.391.3411
FAX 503.364.2138 Visit our web page at http://www.upsat.com
Send comments about this manual by email to: techpubs@at.ups.com
History of Revisions
Original Release July 1999 Rev. -
July 2000 Rev. -01
January 2001 Rev. -02
December 2001 Rev. -03 Ordering Information
To receive additional copies of the Apollo SL15 User’s Guide, order part
#560-0975-03. Patent No. 5,903,277 & 6,160,496
FAA-Approved TSO C50c, C35d
JAA-Approved JTSO-2C35d, C50c
2 SL15-Series Pilot Guide
OPERATION
GENERAL INFORMATION
3 SL15-Series Pilot Guide
SL15 controls
OFF, the audio selector will be placed in the fail-safe
Notes
1 SCOPE
This section provides detailed operating instructions for the UPS Aviation
Technologies SL15 Audio Selector Panel/Intercom System. Please read it
"EMG" position, the pilot is connected directly to Com 1. This allows com-
munication capability regardless of unit condition. Any time power is re-
moved or turned
mode.
The power switch also controls the audio selector panel functions, inter-
com, and marker beacon receiver. Unless the mic selector is in Com 3
mode, at least one of the selected audio LEDs will be on (Com 1 or Com
carefully before using the equipment so that you can take full advantage of
its capabilities.
This section is divided into four sections covering the basic operating areas
of the SL15 systems. They are Audio Selector, Transceiver Selection, Inter-
com, and Marker Beacon Receiver.
2 Power Switch (EMG-Fail Safe Operation)
Unit power is turned on and off by pushing the volume knob. In the OFF or
2).
3 Microphone Selector (All models)
14 SL15-Series Pilot Guide
13 SL15-Series Pilot Guide
by us. This warranty is void if there is any attempt to dissemble this product
without factory authorization. This warranty gives you specific legal rights, and
you may also have other rights, which may vary from state to state. Some states
do not allow the exclusion of limitation of incidental or consequential dam-
ages, so the above limitation or exclusions may not apply to you.
All items repaired or replaced under this warranty are warranted for the re-
mainder of the original warranty period. UPS Aviation Technologies, Inc. re-
serves the rights to make modifications or improvements to the product without
obligation to perform like modifications or improvements to previously manu-
factured products.
10.2 Factory Service
The unit is covered by a 26-month limited warranty. See warranty information.
Call UPS Aviation Technologies, Inc. at (800) 525-6726 before you return the
unit. This will allow the service technician to provide any other suggestions for
identifying the problem and recommend possible solutions.
After discussing the problem with the technician and you obtain a Return
Authorization Number, ship the product to:
UPS Aviation Technologies, Inc.
2345 Turner Road, S.E.
Salem, OR 97302
U.S.A. Toll Free 800.525.6726
OM 1 to COM 2, while
NOTE
OM 2 position will place pilot and copilot on
Push To Talk (PTT), will be heard over the
aircraft radio. Turning the rotary switch to the
C
Com 2.
The SL15 gives priority to the pilot’s PTT. If
the copilot it transmitting, and the pilot presses
his PTT, the pilot’s microphone will be heard
over the selected com transmitter.
OM 1 to COM 2 and watch the selected audio
access to the telephone.
OM 1 to COM 2 while Com 2 has NOT been selected,
When the mic selector switch is in the Com 1 position, both pilot and copilot
will be connected to the Com l transceiver. Only the person who presses their
Turning the mic selector fully counterclockwise places the pilot and copilot on
Com 3. Com 3 receive audio is automatically placed in the headset (and
speaker if selected). Com 1 and/or Com 2 receiver audio can be selected to
monitor those transceivers.
The SL15-Series has an automatic selector mode. Audio from the selected
lot intercom, as the intercom circuit is transferred to the telephone use. In
OM 2 audio had been selected, Com 1 audio will continue to be heard. This
light on the selector change from COM 1 to COM 2. This ensures the pilot will
transceiver is automatically heard in the headsets and speaker. You can check
this function by switching from C
C
always hear the audio from the transceiver he is transmitting on.
When switching the mic selector rotary switch from C
Com 1 audio will be switched off. In essence, switching the mic selector will
not effect the selection of Com audio.
The “TEL” position, fully CW on the mic selector switch, is the pilot’s “hook”
switch, when the system is interfaced to an appropriate approved wireless tele-
communication system, such as the AirCell system. Placing the mic selector in
eliminates the pilot having to switch Com 1 audio back on, if desired.
When switching from C
TEL placed the pilot microphone and headphones on the cellphone. The pilot
PTT will switch the pilot mic to the COM 1, and allow continued aircraft com-
munications as well.
The copilot will also be able to transmit on COM 1 with his PTT as well.
Placing the mic selector switch in the TEL position will disable pilot and copi-
crew or ISO mode, placing the switch in TEL mode removes the passengers
3.1 Swap Mode (Switch from Com 1 to Com 2 remotely)
With a yoke mounted, momentary switch, the pilot can change from the current
Com transceiver to the other by depressing this switch. When "Swap Mode" is
4 SL15-Series Pilot Guide
active, an annunciator in the lower right corner of the unit will illuminate, indi-
5 SL15-Series Pilot Guide
ing
hear the audio from the transceiver that is selected for transmit by the
cating that the Mic Selector switch position is no longer current. To cancel
"Swap Mode," the pilot may either press the yoke mounted switch again, or
turn the Mic Selector Switch to the Com that is active.
4 Receiver Audio Selector (All models)
Receiver audio is selected through two momentary and six latched, push-
button, backlit switches. Com 1 and Com 2 are the momentary switches.
Because the rotary microphone selector switch controls what transceiver is be-
rotary mic selector switch.
The users can identify which receivers are selected by noting which of the
heard, the Com l and Com 2 push-buttons are of the momentary type and do
not remain in when selected. This is also part of the "auto” function. You will
always
green switch LEDs are illuminated. Push buttons labeled Nav 1, Nav 2, DME,
MKR (Marker), ADF, AUX (auxiliary), and SPR (Speaker) are "latched" type
switches. When one of these buttons is pressed, it will stay in the "in" position.
Press the switch again and it be in the "out" position and remove that receiver
from the audio.
4.1 Speaker Amplifier
The "SPR" in the push-button section stands for speaker. This switch will
place all selected audio on the cockpit speaker when this switch is selected.
NOTE: Except for the unswitched audio, the speaker amplifier is not active in
the "Split Mode."
Unswitched audio, (autopilot disconnect, altimeter warning, etc.) will come
through the speaker regardless of the speaker button position.
4.1.1 Public Address Function
edge).
9.3 Concurrent Messages
When a recorded message or audio annunciation is playing, the other audio
source is momentarily inhibited. For instance, if an IRS message is being
played, the audio annunciation will not begin until the IRS message is fin-
ished. Conversely, the IRS recording cannot be played as long as there is an
aural alert being played. There is no recording made if playing a recording
or annunciation.
10 Warranty and Service
10.1 Warranty
In order for the factory warranty to be valid, the installations in a certified
aircraft must be accomplished by an FAA-certified avionics shop and
authorized UPS Aviation Technologies dealer. If the unit is being installed
by a non-certified individual in an experimental aircraft, a factory-made
harness must be used for the warranty to be valid. This harness may be pur-
chased directly from PS Engineering (865-988-9800). UPS Aviation Tech-
nologies. warrants this product to be free from defect in material and work-
manship for a period of 26-months from the date of installation as recorded
in aircraft logbook and/or on FAA Form 337.
UPS Aviation Technologies, Inc. warrants this product to be free from de-
fect in material and workmanship for a period of 26-months from the date
of installation. During this 26-month warranty period, UPS Aviation Tech-
nologies, Inc. at its option, will send a replacement unit at our expense if
the unit should display any unusual behavior.
All transportation charges for returning the defective units are the respon-
sibility of the purchaser. All domestic transportation charges for returning
the exchange or repaired unit to the purchaser will be borne by UPS Avia-
tion Technologies, Inc. The risk of loss or damage to the product is borne
by the party making the shipment, unless the purchaser requests a specific
method of shipment. In this case, the purchaser assumes the risk of loss.
This warranty is not transferable. Any implied warranties expire at the expi-
ration date of this warranty. UPS Aviation Technologies SHALL NOT BE
LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. This
warranty does not cover a defect that has resulted from improper handling,
storage or preservation, or unreasonable use or maintenance as determined
12 SL15-Series Pilot Guide
11 SL15-Series Pilot Guide
justment located on the top of the unit. See Section 2.5
A three-position switch is used to set the receiver sensitivity and to test the in-
dicator lamps. Use "HI" sensitivity initially. This allows you to hear the outer
marker beacon about a mile out. Then select the “LO” sensitivity to give you a
more accurate location of the Outer Marker. The momentary down switch posi-
tion is marker test, labeled "T/M" and illuminates all three lamps simultane-
ously to assure the lamps (internal and external) are in working order. TST
does not activate MM sense output.
In units with serial numbers above “F” series in the first set of numbers, a
marker mute function was added. Pressing the marker mode select down (to
set of unit se-
nd
“T/M”) will cause the marker audio to mute for that beacon. The next beacon
received will re-activate the audio.
9 Internal Recorder System (Optional)
The Intercom Recording System (referred to here as the IRS) is a digital recording
system allowing automatic storage and playback of aircraft radio traffic.
Operating as a continuous loop recorder, (first message received will be the
last heard), the recorder has one minute of recording time or up to 16 mes-
sages. With its own built in VOX circuit, there are no buttons to press to start
recording. The system automatically begins to record the instant the radio be-
comes active. Only aircraft radio audio in pilots headset is recorded and only
the pilot will hear the playback audio.
9.1 Internal Recorder Operation
Recording is automatic; there is no action required by the pilot. To play back
the last recorded message, simply press the momentary switch associated with
the IRS. Each additional press of the button will play the preceding recorded
message. You must wait for the message to finish playing before accessing the
prior message.
To cancel the playback, press and hold the playback button for two seconds.
The next time the button is pressed, the next earlier message will be heard.
9.2 Audio Messaging system (Option 1, Option 2, only)
When this option is installed, the SL15 contains six stored messages. An out-
side annunciator, such as an Electronics International engine gage system trig-
gers these messages. When there is an announcement, it will be repeated every
two seconds until the remote- mounted ACK button is pushed. This stops the
played annunciation, until the next announcement is required (the next falling
NOTE
aircraft conditions.
rial numbers) a public address function was added. To access this function, a
switch is installed to connect the top connector, pin 18, to ground. This places
In SL15 versions above “F” serial number for the top board (2
the pilot microphone on the speaker output (Pin W) when the PTT is pushed.
The copilot can continue to use the selected com radio.
We recommend that the switch transfer the audio from the cockpit speaker to a
turn off other (Nav, ADF, etc.) selected audio to pilot. However,
the copilot will only hear the selected communications receiver.
the Split mode, particularly on adjacent frequencies. UPS Aviation
Technologies makes no warranty about the suitability of Split Mode in all
general aviation aircraft, it is probable that there will be some bleed-over in
This places the pilot on Com 1 and the copilot on Com 2. An example of this
useful feature is when the pilot may want to talk to Air Traffic Control, while
the copilot may be speaking to Flight Watch. Although this mode has limita-
tions (see below) we believe you will find this to be a useful feature.
Switching to Com 2/Com l will reverse the “Split Mode” radio selection. The
5 Split Mode
cabin speaker for public address. This will prevent feedback.
4.2 Key “Click”
The SL15 is equipped with a “click” function that provides an aural feedback
to the user in addition to the tactile button push. This sound can be enabled or
disabled by simultaneously holding the COM 1 and COM 2 buttons in for at
least 5 seconds. Any person hearing the radios will also hear the key click.
Allow at least 20 seconds between turning the key click on and off.
Turning the rotary switch to COM 1/COM 2 places the SL15 into "Split Mode."
pilot will be on Com 2 and the copilot will be on Com 1.
Due to the nature of VHF communications signals, and the size constraints in
Split Mode does not
5.1 Split Mode ICS
In split mode, the pilot and copilot are usually isolated from each other on the
intercom, simultaneously using their respective radios. Depressing the ICS but-
ton in Split Mode will activate VOX intercom between the pilot and copilot
positions. This permits intercommunication when desired between the crew.
6 Intercom Operation
Pressing the ICS button again disables this crew intercom function.
6.1 IntelliVox® VOX-Squelch
No adjustment of the IntelliVox® squelch control is necessary. There is no
6 SL15-Series Pilot Guide
NOTE
1.3.1.1 (a)).
tray. See the installation manual for details.
7 SL15-Series Pilot Guide
6.2.1 Mono headsets in Stereo Installation
All passenger headsets are connected in parallel.
Therefore, if a monaural headset is plugged in to a
SL15 Stereo installation, one channel will be
shorted. Although no damage to the unit will occur,
all passengers will lose one channel, unless they
switch to the “MONO” mode on the headset.
6.3 Intercom Modes
For consistent performance, any headset microphone must be placed
field adjustment. Through three individual signal processors, the ambient noise
appearing in all six microphones is constantly being sampled. Non-voice sig-
nals are blocked. When someone speaks, only their microphone circuit opens,
placing their voice on the intercom.
The system is designed to block continuous tones, therefore people humming
or whistling in monotone may be blocked after a few moments.
if
within ¼-inch of your lips, preferably against them. (ref: RTCA/DO-214,
It is also a good idea to keep the microphone out of a direct wind path. Moving
your head through a vent air stream may cause the IntelliVox® to open momen-
tarily. This is normal.
The IntelliVox® is designed to work with normal aircraft cabin noise levels (70
dB and above). It loves airplane noise! Therefore, it may not recognize speech
and clip syllables in a quiet cabin, such as in the hangar, or without the engine
running. This is normal.
For optimum microphone performance, UPS Aviation Technologies recom-
mends installation of a Microphone Muff Kit from Oregon Aero (1-800-888-
6910). This will not only optimize VOX performance, but will improve the
overall clarity of all your communications.
6.2 Volume Control
The volume control knob adjusts the loudness of the intercom for the pilot and
copilot only. It has no effect on selected radio levels, music input levels or pas-
sengers' volume level.
Adjust the radios and intercom volume for a comfortable listening level for the
pilot. Most general aviation headsets today have built-in volume controls;
therefore, passenger volume can be adjusted at the headset. If desired, passen-
ger volume level can be adjusted by a screwdriver adjustment at the top of the
The lower switch on the left side is a 3-position mode switch that allows the
pilot to tailor the intercom function to best meet the current cockpit situation.
flashes per second when
the aircraft is in the
range of the Outer
Marker Beacon.
The Amber lamp, la-
NOTE
switches mounted adjacent to the headset jacks.
the mic selector switch is in TEL position. All intercom positions will hear the
When the intercom is in ALL mode, the pilot can speak on the phone only
telephone conversation. If any passenger places his or her switch into the “off-
hook” position all passengers will also be heard on the phone. All will hear
selected audio. Com 1 audio is automatically heard in the headsets. The pilot
and copilot will have transmit capability on Com 1, simply by using their re-
spective PTT switch.
In CREW mode, the pilot and copilot are may use the telephone, with their
respective hook switch (the pilot selects TEL on the mic selector). Any passen-
ger who places their switch into the off-hook position will also have access to
the phone, and all four passengers will hear the conversation.
lose intercom capability when the cell phone is in use.
Because the cell phone uses an intercom circuit, all stations on that circuit will
8 Marker Beacon (SL15)
The optional Marker Beacon Receiver uses visual and audio indicators to alert
you when the aircraft passes over a 75 MHz transmitter.
The Blue lamp, labeled "O," is the Outer Marker lamp and has an associated
In ISO intercom mode, when the SL15 is in the TEL mode, the pilot position
is in the "Phone Booth." Only the pilot will hear the telephone, and only he will
be heard. He will also have access to Com 1, and will transmit on that radio
using the PTT. All selected audio is provided. If any other passenger goes “off
hook” they will hear the phone.
In all cases, only the pilot (and copilot in ALL or CREW) will hear the cell-
phone ring. At that time they can chose to allow a passenger to take the call, or
answer the phone.
400 Hertz 'dash' tone. The lamp and tone will be keyed at a rate of two tones/
beled "M," is the Middle Marker lamp and is coupled with a 1300 Hertz tone.
It is keyed alternately with short 'dot' and long 'dash' bursts at 95 combinations
per minute.
The White lamp, labeled "I," is the Inner marker and has a 3000 Hertz 'dot'
tone. The lamp and tone will be keyed at a rate of six times per second.
The audio from the Marker Beacon Receiver can be heard by selecting the
"MKR" push-button switch. To adjust the volume level, there is a service ad-
10 SL15-Series Pilot Guide
Telephone Comments
Hears
Passenger
Hears
This mode al-
lows the pilot to
communicate
“Phone Booth”
mode. Pilot has
exclusive use of
Passenger and
Copilot intercom
Entertainment
Co-Pilot and
passenger
intercom En-
A/C Radios
Pilot Sidetone
(during radio
9 SL15-Series Pilot Guide
without the oth-
ers bothered by
the conversa-
tions. Copilots
and passengers
can continue to
communicate
and listen to
music.
This mode al-
lows all on board
to hear radio
reception as well
as communicate
on the intercom.
Music and inter-
com is muted
during intercom
and radio com-
munications.
This mode al-
lows the pilot
and co-pilot to
concentrate on
flying, while the
passengers can
communicate
amongst them-
selves.
the telephone.
In TEL, Pilot
connected to
Com 1 for PTT
Tx and receive.
Others hear Tel,
if off hook.
#2
tertainment #1
transmission)
Entertainment
1 is muted
All have access
to phone
Passengers
Pilot
Co-Pilot
Pilot
Pilot
Co-Pilot
through Hook
Switch. Pilot
access through
Co-Pilot
A/C Radio
Entertainment
A/C radio
Passengers
Entertainment
A/C Radio
Passengers
Entertainment
TEL switch. All
hear telephone
#1
#1
#1
audio if off hook.
Pilot does not
have phone
access, unless
the mic sel is in
the TEL posi-
Passengers
Entertainment
#2
Co-Pilot
Pilot
A/C Radio
Entertainment
#1
Pilot
Co-Pilot
A/C Radio
Entertainment
#1
tion. Passen-
gers have
phone through
an on/off Hook
Switch.
Passengers
hear phone
The Soft Mute feature assures that the aircraft radio transmissions will not be
Mode Pilot Hears Co-Pilot
Isolate
All
OM 1/COM 2, COM 2/COM 1 ("Split
Crew
missed due to entertainment playing. When there is radio reception or intercom
conversation, the music level is dropped to a low, or background level. When
the radio or intercom traffic ceases, the level gradually returns to normal.
The front panel ICS switch controls muting of entertainment source #1 (for
pilot and copilot). Pushing this button places the ICS in Karoake (or sing
along) mode, which inhibits the soft mute feature. This allows the music to
continue uninterrupted by intercom or radio traffic when cockpit workload is
appropriate. Pushing the button again will release the mute inhibit function.
The passenger music, source #2, can be placed in the Karoake mode if a re-
mote switch is installed in the aircraft. See wiring information for details.
7 Telephone Mode
(When interfaced with a Each intercom position has a "hook switch." The pi-
lot's hook switch is the "TEL" mode on the audio panel, the others are discrete
REW mode,
only to the aircraft radio system. He will hear the aircraft radio re-
ception (and sidetone during radio transmissions). Copilot will
hear passengers’ intercom and Entertainment 1, while passengers
will hear copilot intercom and Entertainment 2. Neither will hear
aircraft radio receptions or pilot transmissions.
not in the "Split" mode. Then, the pilot and copilot intercom is controlled with
SO: (Up Position): The pilot is isolated from the intercom and is connected
the ICS button.
I
The description of the intercom mode function is valid only when the unit is
LL: (Middle Position): All parties will hear the aircraft radio and intercom.
Crew will hear Entertainment 1, passengers will hear Entertainment 2. During
any radio or intercom communications, the music volume automatically de-
A
creases. The music volume increases gradually back to the original level after
REW (Down Position): Pilot and copilot are connected on one intercom chan-
communications have been completed.
C
nel and have exclusive access to the aircraft radios. They may also listen to En-
tertainment 1. Passengers can continue to communicate with themselves with-
Mode"), the pilot and copilot intercom is controlled with the ICS button. The
passengers will maintain intercommunications, but never hear aircraft radios.
6.3.1 Entertainment Input
The audio selector panel has provisions for two separate entertainment input
devices. They operate independently in the SL15. The volume control does not
affect music level.
While in the ISO (Isolate) mode, the copilot will hear Entertainment 1 while
the four passengers will hear Entertainment #2. The pilot will hear entertain-
ment 1, at a muted level. In normal operation, whenever a person speaks, or if
out interrupting the Crew and also may listen to Entertainment 2.
Anytime the SL15 is in either the C
the aircraft radio becomes active, the music will automatically mute and then
LL mode, pilot and copilot will hear Entertainment 1 input while
will gradually return to the original listening level when the intercom or radio
conversation ceases.
When in the A
all passengers will hear the Entertainment 2 source. While in the C
pilot and copilot will hear entertainment input #1 while the passengers may
listen to entertainment input #2.
It is also possible to use only one entertainment input device for both entertain-
ment inputs. However, it is suggested that a switch (DPDT) be installed be-
tween the single entertainment device and entertainment input #1. This will
allow the pilot and copilot decide if they hear entertainment while in the Crew
mode.
6.3.2 Soft Mute and Soft Mute inhibit
8 SL15-Series Pilot Guide
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